Bullies choose easy adversaries to pummel. Equal fights are shunned. It's the same in schoolyards or battlefields. America and Israel operate this way. They avoid foes able to give as much as they take. Rogue governments never say they're sorry.
Palestinian women mourn four-year-old Mahmoud Raed Sadallah, who was killed following an explosion in Jabaliya, Gaza Strip, 16 November.